{
    "decisions": [
        {
            "candidate_id": "refc_f2e06cda98105827",
            "decision": "reject",
            "reason_codes": [
                "coincidental_overlap",
                "role_conflict"
            ],
            "grounds": [
                "entity_meaning",
                "role_meaning"
            ],
            "cited_evidence_ids": [
                "refm_d2a769444a0e4bac",
                "keycert_389bb5ce15d51d6a"
            ],
            "claims": [
                {
                    "fact": "child_rows",
                    "value": 2000
                },
                {
                    "fact": "parent_rows",
                    "value": 6146
                }
            ],
            "rationale": "users_data.id numbers users, while cards_data.id numbers cards (one row per card, with its own client_id column naming the owning user). The full overlap of 2000 ids inside 0..6145 is just two unrelated 1..N sequences coinciding, so a user is not a card."
        }
    ],
    "suggestions": [
        {
            "child": "source:raw.cards_data",
            "child_columns": [
                "client_id"
            ],
            "parent": "source:raw.users_data",
            "parent_columns": [
                "id"
            ]
        }
    ]
}